https://jkw.wskw.org/index.php/jkw/issue/feed Journal of Kinesiology & Wellness 2023-04-03T22:23:02+00:00 Ovande Furtado Jr (Editor-in-Chief) ovandef@csun.edu Open Journal Systems <p>The Journal of Kinesiology &amp; Wellness (JKW) is a peer-reviewed online journal that covers issues in physical activity &amp; health promotion, wellness, biomechanics, motor control &amp; learning, exercise physiology, and sport. JKW is a publication of the Western Society for Kinesiology and Wellness (WSKW).</p> <p>Click <a href="https://www.jkw.wskw.org/index.php/jkw/about">HERE</a> to learn more.</p> https://jkw.wskw.org/index.php/jkw/article/view/116 Acute beetroot supplementation may improve blood pressure but not exercise economy in female masters swimmers 2023-04-03T21:24:58+00:00 Alyssa Q. Eastman email@email.com Owen Sloop email@email.com Rohit A. Gokhale email@email.com Lisa M. Ferguson-Stegall lstegall01@hamline.edu <p><span class="TextRun SCXW257903705 BCX8" lang="EN-US" xml:lang="EN-US" data-contrast="auto"><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">It is known that beetroot supplements may improve exercise economy and blood pressure, but this has </span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">mainly been</span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT"> studied in males. Given that older female athletes are underrepresented in the literature, we aimed to </span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">determine</span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT"> if acute beetroot supplementation (BRS) improves exercise economy and blood pressure in </span><span class="NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">masters</span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT"> female athletes (swimmers) during a treadmill exercise test. Methods: 11 participants (57.8±10.5 y) underwent 2 randomized, double-blinded trials, ingesting beetroot (BE) or placebo (PL). Salivary NO2-</span><span class="NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">&nbsp;&nbsp; (</span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">sNO2-) and blood pressure (BP) were measured pre-ingestion (Base), pre-exercise (Pre), and 5 min post-exercise (Post). Oxygen consumption (VO2) was measured during the modified </span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">Balke</span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT"> test until HR reached 85% of age-predicted maximum. Exercise economy (</span><span class="NormalTextRun SpellingErrorV2Themed SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">ExEc</span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">) was defined as the average relative VO2 during min 3-4.5 of the test. sNO2- was </span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">determined</span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT"> using NO2- detection strips. Results: sNO2- increased from Base to Post in BE vs PL (32.5±7.0 vs 2.7±3.9% change, p=0.001). No treatment differences existed for </span><span class="NormalTextRun SpellingErrorV2Themed SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">ExEc</span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT"> (BE: 15.51±0.47 vs PL: 15.71±</span><span class="NormalTextRun AdvancedProofingIssueV2Themed SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">0.53 ml</span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">·kg-1·min-1, p=0.48). Diastolic BP was significantly lower in BE vs PL (Base: 74.6±1.7 vs 73.2±2.3, Pre: 73.6±1.8 vs 74.5±2.1, Post: 74.5±1.7 vs 76.1±</span><span class="NormalTextRun AdvancedProofingIssueV2Themed SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">2.2 mm</span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">Hg, p=0.03, treatment by time). Conclusion: Acute BRS lowered diastolic BP, but did not improve exercise economy in these trained, normotensive athletes. Further research is </span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">warranted</span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT"> in menopausal and post-menopausal females, including those who are hypertensive, and in other female </span><span class="NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT">masters</span><span class="NormalTextRun SCXW257903705 BCX8" data-ccp-parastyle="ABSTRACT"> athlete groups.</span></span><span class="EOP SCXW257903705 BCX8" data-ccp-props="{&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:240,&quot;335559739&quot;:240}">&nbsp;</span></p> 2023-04-04T00:00:00+00:00 Copyright (c) 2023 Western Society for Kinesiology and Wellness